var grid;
Ext.onReady(function(){ init_grid(); });
function init_grid() {
grid = new Ext.grid.Grid('test_grid',{
    ds:new Ext.data.Store(
{
    reader:new Ext.data.JsonReader(
{
    totalProperty:'totals',
        root:'rows'
    },[{
    type:'string',
        name:'Name'
    },{
    type:'string',
        name:'Description'
    },{
    type:'int',
        name:'Age'
    }]
),
        proxy:new Ext.data.HttpProxy(
{
    url:'/grid'
    }
),
        remoteSort:false
    }
),
        selModel:'org.sucri.floxs.ext.widget.RowSelectionModel@1336006',
        cm: new Ext.grid.ColumnModel(
[]
);
    });
grid.render();
ds.load({params:{start:0, limit:20}});
};
